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Finding the Fourth Proportional to 72,296.10, 99,784.23 and 44,010.90

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Solution

The fourth proportional to 72,296.10, 99,784.23 and 44,010.90 is: 60,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.10 : 99,784.23 = 44,010.90 : x
  2. Step 2: Convert to fraction form
    72,296.10/99,784.23 = 44,010.90/x
  3. Step 3: Cross multiply
    72,296.10x = 99,784.23 × 44,010.90
  4. Step 4: Simplify right side
    72,296.10x = 4,391,593,768.11
  5. Step 5: Solve for x
    x = 4,391,593,768.11/72,296.10
  6. Step 6: Final answer
    x = 60,744.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.